New post in Units

How many mg caffeine is 1mM caffeine?

August 21st, 2022

units

Units on the electrostatic force equation

July 23rd, 2022

charge electricity coulombs-law units electrostatics

Why are ft-lbs used to describe muzzle energy? And how do you work with it?

July 23rd, 2022

torque units unit-conversion

What does mol L−1 mean?

December 5th, 2022

concentration units mole

Why does Avogadro's number have the value it has?

December 2nd, 2022

units mole

Why is it written as "joule" and "J"?

July 30th, 2022

terminology units

How is sulfuric acid with a concentration of 12 M also 72% w/w?

August 1st, 2022

units concentration

What are the units of P and V when R is expressed in terms of J/(mol K)?

November 7th, 2020

units gas-laws

Units in modified Arrhenius equation?

August 1st, 2022

kinetics units

When to use Da or u for mass units

August 1st, 2022

units

Why a specific temperature for value of 1 calorie?

August 1st, 2022

units experimental-chemistry

How to retrieve Dalton value from m/z value?

August 1st, 2022

mass-spectrometry units

How to convert ppm to g/m3?

August 1st, 2022

gas-laws concentration units

What does the ‘−1’ superscript mean in units?

September 15th, 2020

notation units

Why do the units of rate constants change, and what does that physically mean?

August 1st, 2022

equilibrium units physical-chemistry

What units do I use for energy in the Boltzmann distribution?

August 1st, 2022

energy statistical-mechanics units

Is 1 ppb equal to 1 μg/kg?

August 1st, 2022

units notation concentration

Can Rydberg constant be in joules?

October 6th, 2021

units energy atoms

Can someone intuitively explain the reason for the units of entropy (J/K )?

February 27th, 2020

units entropy

What is the difference between the units 'torr' and 'mm of Hg'?

August 1st, 2022

units pressure

What is the correct unit for the equilibrium constant?

August 1st, 2022

units equilibrium

How much is 1 mμg?

August 1st, 2022

units notation

Where does the label ‘Dq’ to denote the field split in coordination compounds come from?

August 1st, 2022

units inorganic-chemistry coordination-compounds

Units of mass on the atomic scale

September 29th, 2020

atoms units

Why do we still need to know about the Rankine temperature scale?

August 1st, 2022

temperature units

What is the unit of Z effective?

August 1st, 2022

electrons terminology units

May I treat units (e.g. joules, grams, etc.) in equations as variables?

August 1st, 2022

notation units

What is a Herzberg?

August 1st, 2022

filtering physical-chemistry terminology units

How to correctly write "7 apples" according to the international system of units (SI)

May 29th, 2020

mole units

Is zero-point vibrational energy an intensive or extensive property?

August 1st, 2022

physical-chemistry bond units